\documentclass[proof,endnotes]{usetex-v1}
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\usepackage{url}        % \url{} command with good linebreaks
\usepackage{graphicx}
\usepackage{float}
\usepackage[T1]{fontenc}
\usepackage[latin9]{inputenc}
\usepackage[letterpaper]{geometry}
\usepackage{amstext}



\begin{document}

\title{Case Study: Semantic Policy-based Access Control for IDC}

% authors.  separate groupings with \and.
\author{
\authname{Atif Khan, Helen Chen, Casab Huszka}
\authaddr{University of Waterloo}
\authaddr{ Waterloo, Ontario, N2L 3G1, Canada}
\authaddr{Agfa HealthCare}
\authaddr{ Waterloo, Ontario, N2L 3G1, Canada}
\authurl{\url{(a78khan,helen.chen)@uwaterloo.ca, csaba.huszka@agfa.com}}
%
} % end author

\maketitle

\input{abstract}
\input{intro}
\input{system}
\input{conclusion}
\bibliographystyle{plain}
\nocite{*}
\bibliography{references}

\end{document}


